ci: use pull_request_target for conflict resolver label trigger (#26762)

* fix: use pull_request_target for conflict resolver label trigger

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* fix: update if condition to check for pull_request_target event name

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

---------

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

.github/workflows/devin-conflict-resolver.yml

@@ -1,7 +1,7 @@
 name: Devin PR Conflict Resolver
 
 on:
-  pull_request:
+  pull_request_target:
     types: [labeled]
   workflow_dispatch:
     inputs:
@@ -20,7 +20,7 @@ jobs:
     runs-on: blacksmith-2vcpu-ubuntu-2404
     # Only run when devin-conflict-resolution label is added, or on manual dispatch
     if: |
-      (github.event_name == 'pull_request' && github.event.label.name == 'devin-conflict-resolution') ||
+      (github.event_name == 'pull_request_target' && github.event.label.name == 'devin-conflict-resolution') ||
       github.event_name == 'workflow_dispatch'
     steps:
       - name: Get PR details